Philips VR330/58 - Audio Block Diagram ( W,X,Z,AA,AB,AC,AD,AE )

Audio Block Diagram ( W,X,Z,AA,AB,AC,AD,AE )
REC
AMP
100 3
AUTO
BIAS
2
1
+5V
+5V
Q401
Q406
BIAS
OSC
Q402
N-A-PB
TO Hi-Fi
AUDIO BLOCK
N-A-REC
Q404 (PB=ON)
Q405
(PB=ON)
Q403
SWITCHING
D-REC-OFF
5
EQ
AMP
98
7
LINE
AMP
REC-ON
AUDIO HD-SW
CONTROL
MUTE
11
6
PB-ON
SP/LP-ON
P
TUNER IN2
IN1
R
ALC
DET
ALC
IC301
(AUDIO SIGNAL PROCESS) 1513 17
4 A-PB/REC
CL504
3 A-COM
1 AE-H
A-PB/REC 4
A-COM 3
AE-H 1
2 AE-H/FE-H
AE-H/FE-H 2
CL287
AUDIO
HEAD
AUDIO
ERASE
HEAD
ACE HEAD ASSEMBLY
FE HEAD
2 FE-H
1 FE-H-GND
CL501
1-9-17 1-9-18 HC464BLA
MAIN CBA
PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC
71
A-MUTE-H
I2C BUS-SCL
I2C BUS-SDA
TO SERVO/SYSTEM
CONTROL BLOCK
FULL
ERASE
HEAD
68 69
SERIAL
DECODER
(DECK ASSEMBLY)
" " = SMD
NOTE FOR WIRE CONNECTORS:
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
(CAN DISCONNECT AND RECONNECT.)
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER
HOLES OF THE PCB.
(WIRE IS SOLDERED DIRECTLY.)
TEST POINT INFORMATION
:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.
:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
:USED TO INDICATE A TEST POINT WITH NO TEST PIN.
:USED TO INDICATE A TEST POINT WITH A TEST PIN.
12
16
INV
ATT
Comparison Chart of Models & Marks
Model Mark
VR530/58
VR630/58
VR330/58
W
X
VR730/58
Y
Z
Model Mark
VRQ45/16
VRQ45/39
AB
VR732/58
VR830/58
AA
VRQ45/58
AC
AD
AE